|Rank|Name|Nation|CP|FP|Points|Placings|
|---|---|---|---|---|---|---|
|1|Beatrix Schuba|Austria|1|7|2763.0|10|
|2|Julie Lynn Holmes|United States|2|5|2697.3|24.5|
|3|Karen Magnussen|Canada|4|2|2697.7|27|
|4|Janet Lynn|United States|5|1|2680.0|34|
|5|Rita Trapanese|Italy|3|8|2623.6|47.5|
|6|Sonja Morgenstern|East Germany|9|3|2606.6|52|
|7|Zsuzsa Almássy|Hungary|6|4|2599.9|57|
|8|Charlotte Walter|Switzerland|8|14|2480.7|86|
|9|Christine Errath|East Germany|13|6|2493.5|83|
|10|Suna Murray|United States|14|9|2475.0|91|
|11|Elena Alexandrova|Soviet Union|10|13|2450.5|103|
|12|Patricia Ann Dodd|United Kingdom|7|16||100|
|13|Kazumi Yamashita|Japan|12|11||116|
|14|Ludmila Bezáková|Czechoslovakia|11|15||122|
|15|Jean Scott|United Kingdom|15|10||132|
|16|Diane Hall|Canada|19|12||132|
|17|Anita Johansson|Sweden|16|18||145|
|18|Judith Bayer|West Germany|20|17||159|
|19|Ruth Hutchinson|Canada|17|20||168|
|20|Sonja Balun|Austria|22|19||177|
|21|Joëlle Cartaux|France|18|22||188|
|22|Cinzia Frosio|Italy|21|21||197|

Question: what is the number of american skaters?
Answer: 3